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y <br />~ e • • <br />Table 1. Design versus certified sediment pond capacities in acre-feet, <br />Johnson Gulch. <br /> Design Certified <br /> Pond Pond <br />Pond Capacity Capacity <br />Number (Acre-feet) (Acre-feet) <br />1 2.45 1.43 <br />7 4.69 5.11 <br />7A 3.00 2.37 <br />8 5.51 4.47 <br />9 4.14 2.99 <br />10 8.80 10.64 <br />Total 28.59 27.01 <br />Total storm runoff and sediment volume required in 1986 = <br />15.5 acre-feet runoff <br />+ 11.2 acre-feet sediment storage <br />26.7 acre-feet <br />HRH/jb <br />2/86 <br />